静态同步串联补偿器存在时距离继电器故障状态下的误动作

2019 IEEE 2nd International Conference on Power and Energy Applications (ICPEA) Pub Date : 2019-04-01 DOI:10.1109/ICPEA.2019.8818520

A. Purohit, V. Gohokar

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引用次数: 5

摘要

随着技术的发展，柔性交流输电系统(FACTS)被广泛用于提高输电线路的输电能力和优化利用电力系统的能力，从而导致系统动力学的重大变化。系统动力学的变化会对电力系统的保护产生影响，因为FACTS器件会使输电线路的净阻抗发生剧烈变化，从而导致距离保护方案出现过伸或欠伸问题。本文研究了静态同步串联补偿器(SSSC)存在时距离继电器在各种故障条件下的性能。利用MATLAB/SIMULINK软件对400kV、300km的输电线路进行了设计和仿真，分析了SSSC对距离继电器mho特性的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Maloperation of Distance Relay under Faulty Conditions in presence of Static Synchronous Series Compensator

With the advent of technology, Flexible AC Transmission Systems (FACTS) are popularly used to increase the power transmission capacity of transmission lines and for optimum utilization of power system capability which result into the substantial change in system dynamics. Change in system dynamics has an impact on protection of power system as there is drastic change in the net impedance of transmission line due to FACTS devices which gives rise to over-reaching or under-reaching problem in distance protection scheme. In this paper, performance of distance relay in the presence of Static Synchronous Series Compensator (SSSC) is studied under various fault conditions. A 400kV, 300km transmission line is designed and simulated using MATLAB/SIMULINK software and results are presented to show influence of SSSC on mho characteristic of distance relay.

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来源期刊

2019 IEEE 2nd International Conference on Power and Energy Applications (ICPEA)

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